Supernova Remnant Video From NASAs Chandra Is Decades in Making

A new video shows the evolution of Keplers Supernova Remnant using data from NASAs Chandra X-ray Observatory captured over more than two and a half decades. Keplers Supernova Remnant, named after the German astronomer Johannes Kepler, was first spotted in the night sky in 1604. Today, astronomers know that a white dwarf star exploded when []